Files
containerd/internal/cri/server/container_stream.go
T
Ayato Tokubi 47c7085d22 cri: add streaming RPCs
Add server-streaming variants of CRI list RPCs (StreamContainers,
StreamPodSandboxes, StreamContainerStats, StreamPodSandboxStats,
StreamPodSandboxMetrics, StreamImages) that send results in batches
of 5000 items.

Signed-off-by: Ayato Tokubi <atokubi@redhat.com>
2026-07-23 09:57:59 -05:00

48 lines
1.5 KiB
Go

/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package server
import (
"time"
"google.golang.org/grpc"
runtime "k8s.io/cri-api/pkg/apis/runtime/v1"
criutil "github.com/containerd/containerd/v2/internal/cri/util"
)
// StreamContainers streams all containers matching the filter.
func (c *criService) StreamContainers(r *runtime.StreamContainersRequest, s grpc.ServerStreamingServer[runtime.StreamContainersResponse]) error {
ctx := s.Context()
start := time.Now()
containersInStore := c.containerStore.List()
var containers []*runtime.Container
for _, container := range containersInStore {
containers = append(containers, toCRIContainer(container))
}
containers = c.filterCRIContainers(containers, r.GetFilter())
err := criutil.SendInBatches(ctx, containers, criutil.DefaultStreamBatchSize, func(batch []*runtime.Container) error {
return s.Send(&runtime.StreamContainersResponse{Containers: batch})
})
containerStreamTimer.UpdateSince(start)
return err
}